//representando tudo que aorece na tela inicial 
function Cena_Intro()
{ 
	this.fundo = new Image();
	this.fundo.src="Imagens/tela_inicial.png";	
	
	this.update=function()
   	{
   	
   	};
   
   	this.draw=function()
	{
		
   		screen.drawImage(this.fundo, 0, 0);
		screen.font = "20px Comic Sans MS";
		screen.fillStyle="#FFFFFF";
		screen.fillText("INTRO", 20, 20);
	};
   
   	this.mouse_down=function(mouse)
   	{
   		console.log("INTRO mouse X " + mouse.x + " mouse Y " + mouse.y );
   	
   		Cena_atual = CENAS.CREDITOS;
   	};
   
   	this.key_down=function(key)
   	{
   		console.log("INTRO keyCode " + key.keyCode );
   	
   		Cena_atual = CENAS.LEVEL1;
   	};
   
      	this.mouse_up=function(mouse)
   	{
   		console.log("INTRO mouse X " + mouse.x + " mouse Y " + mouse.y );
   	
   		
   	};
   
   	this.key_up=function(key)
   	{
   		console.log("INTRO keyCode " + key.keyCode );
   	
   	};
   
}